Alfa Aesar

Reagents, M, Alfa Aesar

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  • Methyl Red, ACS

    Alfa Aesar

    Synonym(s): C.I. 13020 Formula: C15H15N3O2 Formula weight: 269.30 CAS Number: 493-52-7 Harmonized Tariff Code:  2927.00

  • Mercury(II) iodide, 99+%

    Alfa Aesar

    Synonym(s): Mercuric iodide, Mercury diiodide Formula: HgI2 Formula weight: 454.40 Purity: 99+% CAS Number: 7774-29-0 UN Number: UN1638 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal…

  • Molecular sieves, 3A, 1-2mm (0.04-0.08in) beads

    Alfa Aesar

    CAS Number: 308080-99-1 Harmonized Tariff Code:  3824.90

  • Magnesium oxide, 96% min

    Alfa Aesar

    Formula: MgO Formula weight: 40.30 Purity: 96% min CAS Number: 1309-48-4 Harmonized Tariff Code:  2519.90

  • Methylphosphonic acid, 98%

    Alfa Aesar

    Synonym(s): Methanephosphonic acid Formula: CH5O3P Formula weight: 96.03 Purity: 98% CAS Number: 993-13-5 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes…

  • Methyl 3-bromopropionate, 97%

    Alfa Aesar

    Synonym(s): 3-Bromopropionic acid methyl ester Formula: Br(CH2)2CO2CH3 Formula weight: 167.01 Purity: 97% CAS Number: 3395-91-3 Harmonized Tariff Code:  2915.50 Hazard Statements: H301-H227-H315-H319-H335 Toxic if swallowed. Combustible liquid. Causes skin irritation. Causes…

  • Methanol-d, 99.5+% (Isotopic)

    Alfa Aesar

    Formula: CH3OD Formula weight: 33.05 Purity: 99.5+% (Isotopic) CAS Number: 1455-13-6 UN Number: UN1230 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2845.90 Hazard Statements: H225-H300-H310-H330-H370 Highly flammable liquid and vapour. Fatal if swallowed.…

  • Manganese(II) nitrate tetrahydrate, 98%

    Alfa Aesar

    Formula: MnN2O6 4H2O Formula weight: 251.01 (178.95anhy) Purity: 98% CAS Number: 20694-39-7 UN Number: UN2724 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2834.29 Hazard Statements: H272-H301-H332-H315-H319-H335 May intensify fire; oxidizer. Toxic if…

  • Maleate, 0.2M buffer soln., pH 5.0

    Alfa Aesar

    CAS Number: 3105-55-3 Harmonized Tariff Code:  2918.19

  • 4,4'-Methylenebis(phenyl isocyanate), 98%

    Alfa Aesar

    Synonym(s): 4,4'-Diphenylmethane diisocyanate, MDI Formula: C15H10N2O2 Formula weight: 250.26 Purity: 98% CAS Number: 101-68-8 UN Number: UN2811 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2929.10 Hazard Statements: …

  • Methyl bromoacetate, 98+%

    Alfa Aesar

    Synonym(s): Bromoacetic acid methyl ester Formula: C3H5BrO2 Formula weight: 152.98 Purity: 98+% CAS Number: 96-32-2 UN Number: UN2643 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2915.90 Hazard Statements: H301-H311-H331-H314-H318-H227 Toxic if…

  • 4'-Methylpropiophenone, 94%

    Alfa Aesar

    Formula: C10H12O Formula weight: 148.21 Purity: 94% CAS Number: 5337-93-9 Harmonized Tariff Code:  2914.39

  • Mercury(II) chloride, 98+%

    Alfa Aesar

    Synonym(s): Mercuric chloride Formula: HgCl2 Formula weight: 271.50 Purity: 98+% CAS Number: 7487-94-7 UN Number: UN1624 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H372-H341-H361-H314-H318 Fatal if swallowed. Causes…

  • 4-Methyl-2-pentanone, 99%

    Alfa Aesar

    Synonym(s): Hexone, Isobutyl methyl ketone Formula: C6H12O Formula weight: 100.16 Purity: 99% CAS Number: 108-10-1 UN Number: UN1245 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2914.13 Hazard Statements: H225-H332-H319-H335 Highly flammable liquid and…

  • (^+)-Mandelic acid, 99%

    Alfa Aesar

    Synonym(s): (+/-)-alpha-Hydroxyphenylacetic acid Formula: C8H8O3 Formula weight: 152.15 Purity: 99% CAS Number: 90-64-2 Harmonized Tariff Code:  2918.19 Hazard Statements: H318 Causes serious eye damage. Precautionary Statements: P280-P305+P351+P338-P310 Wear protective…

  • Merrifield Resin, 1% crosslinked, 200-400 mesh, 1.0-1.3mmol/g

    Alfa Aesar

    Synonym(s): Chloromethyl polystyrene, Chloromethylated styrene-divinylbenzene copolymer CAS Number: 55844-94-5 Harmonized Tariff Code:  3903.90

  • Monensin sodium salt, 50 mg/ml in methanol, sterile-filtered

    Alfa Aesar

    Included Fees: C871D23 has a Can and Barrier Bag fee included in the price. To see the value of these fees, download our Fee List.

  • Methyl 6-chloropyridine-2-carboxylate, 95%

    Alfa Aesar

    Synonym(s): 6-Chloropyridine-2-carboxylic acid methyl ester, 6-Chloro-2-picolinic acid methyl ester Formula: C7H6ClNO2 Purity: 95% CAS Number: 6636-55-1 Harmonized Tariff Code:  2933.39 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: …

  • Murexide

    Alfa Aesar

    Synonym(s): Ammonium purpurate Formula: C8H8N6O6 Formula weight: 284.19 CAS Number: 3051-09-0 Harmonized Tariff Code:  2933.54

  • Mercury(II) sulfate, 98+%

    Alfa Aesar

    Synonym(s): Mercuric sulfate Formula: HgO4S Formula weight: 296.65 Purity: 98+% CAS Number: 7783-35-9 UN Number: UN1645 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with…

  • Magnesium oxide, 96%, heavy

    Alfa Aesar

    Formula: MgO Formula weight: 40.30 Purity: 96%, heavy CAS Number: 1309-48-4 Harmonized Tariff Code:  2519.90

  • Methyl Yellow, indicator

    Alfa Aesar

    Synonym(s): C.I. 11020, Dimethyl Yellow Formula: C14H15N3 Formula weight: 225.30 CAS Number: 60-11-7 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2927.00 Hazard Statements: H301-H351 Toxic if swallowed. Suspected of causing cancer. …

  • Molybdenum(IV) selenide, 99.9% (metals basis)

    Alfa Aesar

    Formula: MoSe2 Formula weight: 253.87 Purity: 99.9% (metals basis) CAS Number: 12058-18-3 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2825.70 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to…

  • Magnesium perchlorate hexahydrate, 99% (metals basis)

    Alfa Aesar

    Formula: Mg(ClO4)2 6H2O Formula weight: 331.33 (223.23anhy) Purity: 99% (metals basis) CAS Number: 13446-19-0 UN Number: UN1475 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2829.90 Hazard Statements: H272-H315-H319-H335 May intensify fire; oxidizer. Causes…

  • MOPS-EDTA-sodium acetate buffer (MESA)

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • 1-Methyl-2-pyrrolidinone, 99+%

    Alfa Aesar

    Synonym(s): N-Methylbutyrolactam, N-Methyl-2-pyrrolidone Formula: C5H9NO Formula weight: 99.13 Purity: 99+% CAS Number: 872-50-4 Harmonized Tariff Code:  2933.79 Hazard Statements: H360-H315-H319-H335-H227 May damage fertility or the unborn child. Causes skin irritation. Causes…

  • Maleic acid, 98+%

    Alfa Aesar

    Synonym(s): cis-2-Butenedioic acid Formula: C4H4O4 Formula weight: 116.07 Purity: 98+% CAS Number: 110-16-7 Harmonized Tariff Code:  2917.19 Hazard Statements: H302-H315-H319-H317-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause an…

  • 2-Methylimidazole, 97%

    Alfa Aesar

    Formula: C4H6N2 Formula weight: 82.11 Purity: 97% CAS Number: 693-98-1 UN Number: UN1759 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2933.29 Hazard Statements: H301-H314-H318 Toxic if swallowed. Causes severe skin burns and eye damage. Causes serious eye…

  • 1-Methyl-1-cyclohexene, 96%

    Alfa Aesar

    Synonym(s): 2,3,4,5-Tetrahydrotoluene Formula: C7H12 Formula weight: 96.17 Purity: 96% CAS Number: 591-49-1 UN Number: UN3295 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2902.19 Hazard Statements: H225-H304 Highly flammable liquid and vapour. May be fatal…

  • Methyl undecanoate, 99%

    Alfa Aesar

    Synonym(s): Undecanoic acid methyl ester Formula: CH3(CH2)9CO2CH3 Purity: 99% CAS Number: 1731-86-8 Harmonized Tariff Code:  2915.90

  • Manganese(II) sulfate tetrahydrate, 99% (metals basis)

    Alfa Aesar

    Formula: MnO4S 4H2O Formula weight: 223.06 (151.00anhy) Purity: 99% (metals basis) CAS Number: 10101-68-5 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2833.29 Hazard Statements: H373 May cause damage to organs through prolonged or repeated…

  • Methyl 2-bromobutyrate, 97%

    Alfa Aesar

    Synonym(s): 2-Bromobutyric acid methyl ester Formula: C5H9BrO2 Formula weight: 181.04 Purity: 97% CAS Number: 3196-15-4 UN Number: UN1760 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2915.90 Hazard Statements: H314-H318 Causes severe skin burns and eye…

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